3 years ago

Explain what it is meant by redshifted

1 answer:

4 0

The displacement of spectral lines toward longer wavelengths (the red end of the spectrum) in radiation from distant galaxies and celestial objects. This is interpreted as a Doppler shift that is proportional to the velocity of recession and thus to distance.

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2040

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cluponka [151]

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2 years ago

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Naddik [55]

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3 years ago

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Like charges repel, while opposite charges attract.

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3 years ago

A baseball player throws 4 balls every 20 seconds. what is his throw frequency

frosja888 [35]

Answer:

Frequency, f = 0.2 Hz

Explanation:

We have,

A baseball player throws 4 balls every 20 seconds.

It is required to find the frequency of the baseball.

Frequency of an object is defined as the number of times an event occurs. It is given by number of throws per unit time. It can be given by :

$f=\dfrac{4}{20}\\\\f=0.2\ Hz$

So, the frequency of his throw is 0.2 Hz.

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3 years ago